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Allow $CALL(Hook, '$INFILE') for non-join tools.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91402 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov 2009-12-15 03:04:02 +00:00
parent 68d475ad90
commit abf2d986c9
2 changed files with 96 additions and 46 deletions
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13
test/LLVMC/HookWithInFile.td Normal file
View File

@ -0,0 +1,13 @@
// Check that a hook can be given $INFILE as an argument.
// RUN: tblgen -I %p/../../include --gen-llvmc %s -o %t
// RUN: grep Hook\\(inFile.c_str\\(\\)\\) %t | count 1
include "llvm/CompilerDriver/Common.td"
def dummy_tool : Tool<[
(cmd_line "$CALL(Hook, '$INFILE')/path $INFILE"),
(in_language "dummy"),
(out_language "dummy")
]>;
def DummyGraph : CompilationGraph<[SimpleEdge<"root", "dummy_tool">]>;

129
utils/TableGen/LLVMCConfigurationEmitter.cpp
View File

@ -1537,62 +1537,99 @@ void TokenizeCmdline(const std::string& CmdLine, StrVector& Out) {
}
}
/// SubstituteSpecialCommands - Perform string substitution for $CALL
/// and $ENV. Helper function used by EmitCmdLineVecFill().
StrVector::const_iterator SubstituteSpecialCommands
(StrVector::const_iterator Pos, StrVector::const_iterator End, raw_ostream& O)
/// SubstituteCall - Given "$CALL(HookName, [Arg1 [, Arg2 [...]]])", output
/// "hooks::HookName([Arg1 [, Arg2 [, ...]]])". Helper function used by
/// SubstituteSpecialCommands().
StrVector::const_iterator
SubstituteCall (StrVector::const_iterator Pos,
StrVector::const_iterator End,
bool IsJoin, raw_ostream& O)
{
const char* errorMessage = "Syntax error in $CALL invocation!";
checkedIncrement(Pos, End, errorMessage);
const std::string& CmdName = *Pos;
if (CmdName == ")")
throw "$CALL invocation: empty argument list!";
O << "hooks::";
O << CmdName << "(";
bool firstIteration = true;
while (true) {
checkedIncrement(Pos, End, errorMessage);
const std::string& Arg = *Pos;
assert(Arg.size() != 0);
if (Arg[0] == ')')
break;
if (firstIteration)
firstIteration = false;
else
O << ", ";
if (Arg == "$INFILE") {
if (IsJoin)
throw "$CALL(Hook, $INFILE) can't be used with a Join tool!";
else
O << "inFile.c_str()";
}
else {
O << '"' << Arg << '"';
}
}
O << ')';
return Pos;
}
/// SubstituteEnv - Given '$ENV(VAR_NAME)', output 'getenv("VAR_NAME")'. Helper
/// function used by SubstituteSpecialCommands().
StrVector::const_iterator
SubstituteEnv (StrVector::const_iterator Pos,
StrVector::const_iterator End, raw_ostream& O)
{
const char* errorMessage = "Syntax error in $ENV invocation!";
checkedIncrement(Pos, End, errorMessage);
const std::string& EnvName = *Pos;
if (EnvName == ")")
throw "$ENV invocation: empty argument list!";
O << "checkCString(std::getenv(\"";
O << EnvName;
O << "\"))";
checkedIncrement(Pos, End, errorMessage);
return Pos;
}
/// SubstituteSpecialCommands - Given an invocation of $CALL or $ENV, output
/// handler code. Helper function used by EmitCmdLineVecFill().
StrVector::const_iterator
SubstituteSpecialCommands (StrVector::const_iterator Pos,
StrVector::const_iterator End,
bool IsJoin, raw_ostream& O)
{
const std::string& cmd = *Pos;
// Perform substitution.
if (cmd == "$CALL") {
checkedIncrement(Pos, End, "Syntax error in $CALL invocation!");
const std::string& CmdName = *Pos;
if (CmdName == ")")
throw "$CALL invocation: empty argument list!";
O << "hooks::";
O << CmdName << "(";
bool firstIteration = true;
while (true) {
checkedIncrement(Pos, End, "Syntax error in $CALL invocation!");
const std::string& Arg = *Pos;
assert(Arg.size() != 0);
if (Arg[0] == ')')
break;
if (firstIteration)
firstIteration = false;
else
O << ", ";
O << '"' << Arg << '"';
}
O << ')';
Pos = SubstituteCall(Pos, End, IsJoin, O);
}
else if (cmd == "$ENV") {
checkedIncrement(Pos, End, "Syntax error in $ENV invocation!");
const std::string& EnvName = *Pos;
if (EnvName == ")")
throw "$ENV invocation: empty argument list!";
O << "checkCString(std::getenv(\"";
O << EnvName;
O << "\"))";
checkedIncrement(Pos, End, "Syntax error in $ENV invocation!");
Pos = SubstituteEnv(Pos, End, O);
}
else {
throw "Unknown special command: " + cmd;
}
// Handle '$CMD(ARG)/additional/text'.
const std::string& Leftover = *Pos;
assert(Leftover.at(0) == ')');
if (Leftover.size() != 1)
@ -1652,7 +1689,7 @@ void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
}
else {
O << "vec.push_back(";
I = SubstituteSpecialCommands(I, E, O);
I = SubstituteSpecialCommands(I, E, IsJoin, O);
O << ");\n";
}
}
@ -1665,7 +1702,7 @@ void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
O.indent(IndentLevel) << "cmd = ";
if (StrVec[0][0] == '$')
SubstituteSpecialCommands(StrVec.begin(), StrVec.end(), O);
SubstituteSpecialCommands(StrVec.begin(), StrVec.end(), IsJoin, O);
else
O << '"' << StrVec[0] << '"';
O << ";\n";